，这段代码什么意思

求助，这段代码什么意思？
getURL("FSCommand:trapallkeys", 1);
getURL("FSCommand:allowscale", 0);
stage.showMenu = false;
duplicateMovieClip("fr", "frame", 100010);
_global.r = this;
stop ();
onEnterFrame = function ()
{
  persen = Math.floor(this.getBytesLoaded() / this.getBytesTotal() * 100);
  if (persen == 100)
  {
  r.udamusik = 0;
  r.music = 1;
  delete onEnterFrame;
  gotoAndStop("menu");
  } // end if
};
stop ();

[解决办法]
貌似flash代码